diff options
Diffstat (limited to 'make.texinfo')
| -rw-r--r-- | make.texinfo | 58 |
1 files changed, 33 insertions, 25 deletions
diff --git a/make.texinfo b/make.texinfo index 8fffda5..5f2427d 100644 --- a/make.texinfo +++ b/make.texinfo @@ -9,7 +9,7 @@ @set EDITION 0.43 @set VERSION 3.68 Beta -@set UPDATED 10 June 1993 +@set UPDATED 21 June 1993 @set UPDATE-MONTH June 1993 @c finalout @@ -2406,11 +2406,11 @@ $(filter %.elc,$(files)): %.elc: %.el @end example @noindent -Here the result of @samp{$(filter %.o,$(files))} is @file{bar.o lose.o}, -and the first static pattern rule causes each of these object files to -be updated by compiling the corresponding C source file. The result of -@w{@samp{$(filter %.elc,$(files))}} is @file{foo.elc}, so that file is -made from @file{foo.el}.@refill +In this example the result of @samp{$(filter %.o,$(files))} is +@file{bar.o lose.o}, and the first static pattern rule causes each of +these object files to be updated by compiling the corresponding C source +file. The result of @w{@samp{$(filter %.elc,$(files))}} is +@file{foo.elc}, so that file is made from @file{foo.el}.@refill Another example shows how to use @code{$*} in static pattern rules: @vindex $*@r{, and static pattern} @@ -3093,7 +3093,8 @@ line, and if its name consists only of letters, numbers, and underscores. Some shells cannot cope with environment variable names consisting of characters other than letters, numbers, and underscores. -The special variables @code{SHELL} and @code{MAKEFLAGS} are always exported. +The special variables @code{SHELL} and @code{MAKEFLAGS} are always +exported (unless you unexport them). @code{MAKEFILES} is exported if you set it to anything. Variables are @emph{not} normally passed down if they were created by @@ -4665,7 +4666,7 @@ that they will be executed despite use of the @samp{-t} flag. @node Functions, Running, Conditionals, Top @chapter Functions for Transforming Text -@cindex function +@cindex functions @dfn{Functions} allow you to do text processing in the makefile to compute the files to operate on or the commands to use. You use a function in a @@ -6257,7 +6258,7 @@ is not given. Many of the predefined implicit rules are implemented in @code{.ln}, @code{.o}, @code{.c}, @code{.cc}, @code{.C}, @code{.p}, @code{.f}, @code{.F}, @code{.r}, @code{.y}, @code{.l}, @code{.s}, @code{.S}, @code{.mod}, @code{.sym}, @code{.def}, @code{.h}, @code{.info}, @code{.dvi}, -@code{.tex}, @code{.texinfo}, @code{.texi}, @code{.txinfo}, @code{.cweb}, +@code{.tex}, @code{.texinfo}, @code{.texi}, @code{.txinfo}, @code{.w}, @code{.web}, @code{.sh}, @code{.elc}, @code{.el}. All of the implicit rules described below whose dependencies have one of these suffixes are actually suffix rules. If you modify the suffix list, the only predefined suffix @@ -6353,9 +6354,11 @@ running the C preprocessor, @code{cpp}. The precise command is @item Linking a single object file @cindex linking, predefined rule for -@file{@var{n}} is made automatically from @file{@var{n}.o} by -running the linker @code{ld} via the C compiler. The precise command -used is @w{@samp{$(CC) $(LDFLAGS) @var{n}.o $(LOADLIBES)}}.@refill +@pindex ld +@pindex .o +@file{@var{n}} is made automatically from @file{@var{n}.o} by running +the linker (usually called @code{ld}) via the C compiler. The precise +command used is @w{@samp{$(CC) $(LDFLAGS) @var{n}.o $(LOADLIBES)}}. This rule does the right thing for a simple program with only one source file. It will also do the right thing if there are multiple @@ -6434,8 +6437,8 @@ the list of implicit rule suffixes with:@refill @pindex lint @cindex @code{lint}, rule to run @pindex .ln -@file{@var{n}.ln} is made from @file{@var{n}.c} with a command of -the form @w{@samp{$(LINT) $(LINTFLAGS) $(CPPFLAGS) -i}}. +@file{@var{n}.ln} is made from @file{@var{n}.c} by running @code{lint}. +The precise command is @w{@samp{$(LINT) $(LINTFLAGS) $(CPPFLAGS) -i}}. The same command is used on the C code produced from @file{@var{n}.y} or @file{@var{n}.l}.@refill @@ -6450,13 +6453,13 @@ The same command is used on the C code produced from @pindex .dvi @pindex .tex @pindex .web -@pindex .cweb +@pindex .w @file{@var{n}.dvi} is made from @file{@var{n}.tex} with the command @samp{$(TEX)}. @file{@var{n}.tex} is made from -@file{@var{n}.web} with @samp{$(WEAVE)}, or from @file{@var{n}.cweb} +@file{@var{n}.web} with @samp{$(WEAVE)}, or from @file{@var{n}.w} with @samp{$(CWEAVE)}. @file{@var{n}.p} is made from @file{@var{n}.web} with @samp{$(TANGLE)} and @file{@var{n}.c} is -made from @file{@var{n}.cweb} with @samp{$(CTANGLE)}.@refill +made from @file{@var{n}.w} with @samp{$(CTANGLE)}.@refill @item Texinfo and Info @cindex Texinfo, rule to format @@ -7828,12 +7831,12 @@ System V or BSD implementations. @xref{Execution, ,Command Execution}. @item Modified variable references using pattern substitution come from -SunOS 4.0. @xref{Reference, ,Basics of Variable References}. +SunOS 4. @xref{Reference, ,Basics of Variable References}. This functionality was provided in GNU @code{make} by the @code{patsubst} function before the alternate syntax was implemented -for compatibility with SunOS 4.0. It is not altogether clear who +for compatibility with SunOS 4. It is not altogether clear who inspired whom, since GNU @code{make} had @code{patsubst} before SunOS -4.0 was released.@refill +4 was released.@refill @item The special significance of @samp{+} characters preceding command lines @@ -7842,7 +7845,12 @@ mandated by draft 11.2 of IEEE Std 1003.2 (POSIX).@refill @item The @samp{+=} syntax to append to the value of a variable comes from SunOS -4.0 @code{make}. @xref{Appending, , Appending More Text to Variables}. +4 @code{make}. @xref{Appending, , Appending More Text to Variables}. + +@item +The syntax @w{@samp{@var{archive}(@var{mem1} @var{mem2}@dots{})}} to list +multiple members in a single archive file comes from SunOS 4 @code{make}. +@xref{Archive Members}. @end itemize The remaining features are inventions new in GNU @code{make}: @@ -7897,12 +7905,12 @@ of the C preprocessor and similar macro languages and is not a revolutionary concept. @xref{Conditionals, ,Conditional Parts of Makefiles}. @item -Specify the included makefile search path. @xref{Include, ,Including -Other Makefiles}. +Specify a search path for included makefiles. +@xref{Include, ,Including Other Makefiles}. @item -Specify extra makefiles to read. @xref{MAKEFILES Variable, ,The -Variable @code{MAKEFILES}}. +Specify extra makefiles to read with an environment variable. +@xref{MAKEFILES Variable, ,The Variable @code{MAKEFILES}}. @item Strip leading sequences of @samp{./} from file names, so that |